jamie writes: "Horace Dediu crunches some numbers and comes to a startling conclusion: 'If you look at the red line above and its slope, it would indicate that, given time, the App store will overtake the entire physical media gaming industry. The time when that happens will depend a lot on the growth or decline of the physical game media business, but another four years seems a safe bet.' This follows on the heels of some earlier analysis of apps per iOS device and what that steady upward growth means."